Cuajinicuil (Inga Jinicuil) seeds as a novel source of starch: morphological, structural, and thermogravimetric characteristics of isolated fractions

IF 2.9 3区农林科学 Q2 FOOD SCIENCE & TECHNOLOGY

Journal of Food Measurement and Characterization Pub Date : 2024-12-05 DOI:10.1007/s11694-024-02987-9

Alejandro Martínez-Velasco, César Alberto Roldán-Cruz, Heidi Andrea Fonseca Florido, Daniel Trujillo-Ramírez, Juan Carlos Cuevas-Bernardino

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Abstract

This study aimed to analyze three fractions obtained from starch extraction from cuajinicuil (Inga jinicuil) seeds, to determine their physicochemical composition and potential functionality. The proximal, morphological, structural, and thermogravimetric characteristics of CF_U, CF_I, and CF_A fractions were determined. CF_U had high fat and fiber content, CF_I had high protein values and CF_A had high carbohydrate content. The size and shape of the particles seen in the micrographs, the intensity of the signals in the infrared spectrum, and the thermogravimetric behavior suggest that the CF_U fraction does not correspond to starch, but rather contains impurities related to lignin, since the particles had polyhedral shape, size larger than 50 µm, a signal at 1530 cm⁻¹ and a band at 600 °C, which are characteristic of lignin. The CF_I fraction contained starch granules embedded in larger polyhedral portions and exhibited a behavior more similar to starch, but with impurities. The CF_A fraction showed uniform granule size, infrared spectra, crystallinity, and thermogravimetric behavior characteristic of purified native starch. Cuajinicuil seeds are a new source of high-quality purified starch, as well as other fractions with potential applications in the food and pharmaceutical industries. This represents a regional, sustainable, and economically viable alternative for utilizing this important plant resource.

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作为一种新的淀粉来源的刺金芥种子：分离馏分的形态、结构和热重特征

本研究旨在分析从金银树种子中提取的三种淀粉提取物，以确定其理化成分和潜在功能。测定了CFU、CFI和CFA分数的近端、形态、结构和热重特征。CFU脂肪和纤维含量高，CFI蛋白质含量高，CFA碳水化合物含量高。显微照片中颗粒的大小和形状、红外光谱信号强度和热重行为表明，CFU馏分不属于淀粉，而是含有与木质素有关的杂质，因为颗粒具有多面体形状、尺寸大于50µm、1530 cm−1的信号和600°C的波段，这些都是木质素的特征。CFI馏分含有淀粉颗粒嵌入较大的多面体部分，表现出与淀粉更相似的行为，但含有杂质。CFA馏分具有纯化的天然淀粉的均匀粒度、红外光谱、结晶度和热重行为特征。油菜籽是高品质纯化淀粉的新来源，在食品和制药工业中具有潜在的应用前景。这代表了利用这种重要植物资源的区域性、可持续和经济上可行的替代方案。图形抽象

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来源期刊

Journal of Food Measurement and Characterization Agricultural and Biological Sciences-Food Science

CiteScore

6.00

自引率

11.80%

发文量

425

期刊介绍： This interdisciplinary journal publishes new measurement results, characteristic properties, differentiating patterns, measurement methods and procedures for such purposes as food process innovation, product development, quality control, and safety assurance. The journal encompasses all topics related to food property measurement and characterization, including all types of measured properties of food and food materials, features and patterns, measurement principles and techniques, development and evaluation of technologies, novel uses and applications, and industrial implementation of systems and procedures.